Document management method and document management device

摘要

Editing contents for the editing-object document selected from the plural documents that are inputted from the terminal devices connected to the network and that can be owned jointly via the network and corresponding message sentences for the editing contents are received, and a new renewed document is prepared by renewing the editing-object document on the basis of the editing contents, while extracting the renewed contents of the editing-object document by comparing the editing-object documents before and after the renewal with each other, storing at least the renewed contents as the history concerning the renewal of the editing-object document after preparing the contents correspondence with the message sentences, and displaying the renewed contents with the message sentences at a request by the user on the terminal device that sent the request.